What is the Least Common Multiple of 15790 and 15804?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 15790 and 15804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15790 and 15804, than apply into the LCM equation.

GCF(15790,15804) = 2
LCM(15790,15804) = ( 15790 × 15804) / 2
LCM(15790,15804) = 249545160 / 2
LCM(15790,15804) = 124772580

Least Common Multiple (LCM) of 15790 and 15804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15790 and 15804. First we will calculate the prime factors of 15790 and 15804.

Prime Factorization of 15790

Prime Factorization of 15804

Now multiplying the highest exponent prime factors to calculate the LCM of 15790 and 15804.

LCM(15790,15804) = 2² × 5¹ × 1579¹ × 3² × 439¹
LCM(15790,15804) = 124772580